N'Back Butterfly vs QuickDodger
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
N'Back Butterfly
Enhance your cognitive abilities and combat forgetfulness with this application designed to improve working memory. It utilizes the scientifically recognized n-back task to train your brain's capacity for information recall and manipulation.
- Working memory improvement
- N-back task training
- Cognitive neuroscience assessment
- Continuous performance task
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Forget about forgetfulness! Improve your memory! Improve Working Memory using N'Back Butterfly. The n-back task is a continuous performance task that is commonly used as an assessment in cognitive neuroscience to measure a part of working memory. The n-back was introduced by Wayne Kirchner in 1958. [quoted from Wikipedia 2014-04-02]
QuickDodger
A fast-paced arcade survival game where players swipe to move and dodge falling obstacles. Survive for as long as possible as the game's speed and intensity increase. Utilize power-ups to aid your survival.
- Swipe controls for movement
- Increasing game difficulty
- Invisibility power-up
- Screen-clearing explosions
- High score tracking
- Optional rewarded ads to continue
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QuickDodger is a fast-paced arcade survival game that tests your reflexes and focus. Swipe anywhere on the screen to move your character and dodge falling obstacles for as long as possible. The longer you survive, the faster and more intense the game becomes. FEATURES: • Simple swipe controls • Increasing difficulty over time • Power-ups including invisibility and screen-clearing explosions • High score tracking • Optional rewarded ads to continue a run QuickDodger is easy to learn but challenging to master. How long can you survive?
Screenshots
Verdict
The clearest difference is update cadence: QuickDodger at every 2 months against N'Back Butterfly's every 10 months. On price, review sentiment, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
N'Back Butterfly ships an update every 10 months, QuickDodger every 2 months. The most recent releases landed on October 20, 2026 and October 9, 2026 respectively.
| Parameter | N'Back Butterfly | QuickDodger |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (3 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | — | 3 — better |
| Update frequency | Every 10 months | Every 2 months — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.6 |
| Further details — not scored | ||
| Size | 9 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | Yasuyoshi Ota | Jaylin Murry |
Customer experience
N'Back Butterfly
QuickDodger
In-app purchases
N'Back Butterfly
No in-app purchases
QuickDodger
No in-app purchases
